2015
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
794424 |
2361 |
- |
2436 |
= |
-75 |
* |
(120 |
/ |
342)
|
= |
-26.3157894 |
| 4 |
794425 |
2408 |
- |
2485 |
= |
-77 |
* |
(114 |
/ |
342)
|
= |
-25.66666664 |
| 5 |
794428 |
2426 |
- |
2528 |
= |
-102 |
* |
(108 |
/ |
342)
|
= |
-32.21052625 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Harmony Elementary
|
-84 |
2016
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
24826 |
2358 |
- |
2436 |
= |
-78 |
* |
(97 |
/ |
309)
|
= |
-24.48543685 |
| 4 |
24829 |
2425 |
- |
2485 |
= |
-60 |
* |
(105 |
/ |
309)
|
= |
-20.3883495 |
| 5 |
24830 |
2422 |
- |
2528 |
= |
-106 |
* |
(107 |
/ |
309)
|
= |
-36.7055016 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Harmony Elementary
|
-82 |
2017
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
25324 |
2348 |
- |
2436 |
= |
-88 |
* |
(99 |
/ |
283)
|
= |
-30.78445225 |
| 4 |
25326 |
2388 |
- |
2485 |
= |
-97 |
* |
(87 |
/ |
283)
|
= |
-29.81978792 |
| 5 |
25327 |
2418 |
- |
2528 |
= |
-110 |
* |
(97 |
/ |
283)
|
= |
-37.70318013 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Harmony Elementary
|
-98 |
2018
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
25350 |
2362 |
- |
2436 |
= |
-74 |
* |
(99 |
/ |
283)
|
= |
-25.88692575 |
| 4 |
25352 |
2392 |
- |
2485 |
= |
-93 |
* |
(93 |
/ |
283)
|
= |
-30.56183744 |
| 5 |
25354 |
2396 |
- |
2528 |
= |
-132 |
* |
(91 |
/ |
283)
|
= |
-42.44522964 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Harmony Elementary
|
-99 |
2019
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
25512 |
2356 |
- |
2436 |
= |
-80 |
* |
(90 |
/ |
285)
|
= |
-25.26315784 |
| 4 |
25513 |
2400 |
- |
2485 |
= |
-85 |
* |
(105 |
/ |
285)
|
= |
-31.31578942 |
| 5 |
25514 |
2411 |
- |
2528 |
= |
-117 |
* |
(90 |
/ |
285)
|
= |
-36.94736834 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Harmony Elementary
|
-94 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-84
|
-82
|
-98
|
-99
|
-94
|
-457.0 |
-91.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -70.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -112.4
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
